#32963: Bug: combination of filter on the annotation and random order. -------------------------------------+------------------------------------- Reporter: | Owner: nobody likecodeingloveproblems | Type: Bug | Status: new Component: Database layer | Version: 3.1 (models, ORM) | Severity: Normal | Resolution: Keywords: Random + Group By | Triage Stage: | Unreviewed Has patch: 0 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 0 Easy pickings: 0 | UI/UX: 0 -------------------------------------+------------------------------------- Description changed by likecodeingloveproblems:
Old description: > I have a query like: > In [6]: Shop.objects\ > ...: .annotate(product_count = Count('ShopProduct'))\ > ...: .filter(product_count__gt=1)\ > ...: .order_by('?') > Out[6]: <QuerySet []> > > but the out put is empty! > if i remove order_by('?') it works, and the same for the > filter(product_count__gt=1). > I get the SQL from connection.queries: > > SELECT ..., COUNT("nakhll_market_product"."ID") AS "product_count" FROM > "nakhll_market_shop" LEFT OUTER JOIN "nakhll_market_product" ON > ("nakhll_market_shop"."ID" = "nakhll_market_product"."FK_Shop_id") GROUP > BY "nakhll_market_shop"."ID", RANDOM() HAVING > COUNT("nakhll_market_product"."ID") > 1 ORDER BY RANDOM() ASC > > but this SQL works correctly: > > SELECT > ... , > COUNT("nakhll_market_product"."ID") AS "product_count" > FROM "nakhll_market_shop" > LEFT OUTER JOIN > "nakhll_market_product" ON ("nakhll_market_shop"."ID" = > "nakhll_market_product"."FK_Shop_id") > WHERE ("nakhll_market_shop"."Available" AND > "nakhll_market_shop"."Publish") > GROUP BY "nakhll_market_shop"."ID" HAVING > COUNT("nakhll_market_product"."ID") > 1 > ORDER BY RANDOM() New description: I have a query like: In [6]: Shop.objects\ ...: .annotate(product_count = Count('ShopProduct'))\ ...: .filter(product_count__gt=1)\ ...: .order_by('?') Out[6]: <QuerySet []> but the out put is empty! if i remove order_by('?') it works, and the same for the filter(product_count__gt=1). I get the SQL from connection.queries: SELECT ..., COUNT("nakhll_market_product"."ID") AS "product_count" FROM "nakhll_market_shop" LEFT OUTER JOIN "nakhll_market_product" ON ("nakhll_market_shop"."ID" = "nakhll_market_product"."FK_Shop_id") GROUP BY "nakhll_market_shop"."ID", RANDOM() HAVING COUNT("nakhll_market_product"."ID") > 1 ORDER BY RANDOM() ASC but this SQL works correctly: SELECT ... , COUNT("nakhll_market_product"."ID") AS "product_count" FROM "nakhll_market_shop" LEFT OUTER JOIN "nakhll_market_product" ON ("nakhll_market_shop"."ID" = "nakhll_market_product"."FK_Shop_id") WHERE ("nakhll_market_shop"."Available" AND "nakhll_market_shop"."Publish") GROUP BY "nakhll_market_shop"."ID" HAVING COUNT("nakhll_market_product"."ID") > 1 ORDER BY RANDOM() -- -- Ticket URL: <https://code.djangoproject.com/ticket/32963#comment:1> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/081.16a273377c9e9ff5ac194c338f46bb28%40djangoproject.com.